 Orkin has released a list of the top 50 most mosquito-infested U.S. cities, with Greenville making the list this year. To prevent mosquito infestations, homeowners are advised by Orkin to remove stagnant water, use larvicides in large bodies of water, and use insecticides indoors and out. I'm Stephanie DeLuca. Continuing updates from around the state on the South Carolina Radio Network.